package olderCar;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: sfx
 * Date: 2022-11-04
 * Time: 20:04
 */
public class Bottom {

    private Tire tire;
    public Bottom(){
        tire = new Tire();
    }
    public void init(){
        //底盘的启动依赖于轮胎
        System.out.println("Bottom init!");
        tire.init();
    }
}
